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Troubleshooting
Before sending your LCD monitor for servicing, please check the troubleshooting list below
to see if you can self-diagnose the problem.
HDMI/DP/USB Mode (Optional)
Problem
No picture visible
Note: Acer monitor is purposed for video and visual display of information obtained from
electronic devices.
Regulatory Compliance
LED status
Blue
Using the OSD menu, adjust brightness and contrast
to maximum or reset to their default setting.
Off
Check the power switch.
Check if the AC power cord is properly connected to
the monitor.
Blue and
Check if the video signal cable is properly connected
Breathing
at the back of monitor.
Check if the computer system is switched on and in
power saving/standby mode.
OSD Locked: If OSD Lock is on, the LED status set
Blue and Breathing.
Remedy
217186
60950-1
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CG437K User Guide English
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